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Finding the Fourth Proportional to 169,247.97, 253,806.33 and 90,319.14

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Solution

The fourth proportional to 169,247.97, 253,806.33 and 90,319.14 is: 135,443.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,247.97 : 253,806.33 = 90,319.14 : x
  2. Step 2: Convert to fraction form
    169,247.97/253,806.33 = 90,319.14/x
  3. Step 3: Cross multiply
    169,247.97x = 253,806.33 × 90,319.14
  4. Step 4: Simplify right side
    169,247.97x = 22,923,569,452.16
  5. Step 5: Solve for x
    x = 22,923,569,452.16/169,247.97
  6. Step 6: Final answer
    x = 135,443.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.